Engineer take water from wastewater treatment pond to check the quality of the water. After going th
Maintenance engineer and manager in factory check part available repair machine near welder sparking
Valves at gas plant
Industry factory. Cooling tower in building. System work machine. Water Supply and return pipe lines
Industry factory. Cooling tower in building. System work machine. Water Supply and return pipe lines
woman engineer technical department working in power plant control panel of industry factory.
Workers do concrete screed on floor with heating in a new warehouse building
asian man engineer technical working in power plant control panel of industry factory. male professi
Refinery industry engineer are working and discussing at front oil and gas industrial factory,
Engineer survey team checking construction project inspection work construction site
Engineer survey team wear uniform and helmet stand workplace checking blueprint project and radio co
gas hub, the distribution for residential houses, pipe with a valve, the heating of in the city
Refinery industry engineer are working and discussing at front oil and gas industrial factory,
Maintenance engineer and manager in factory check part available repair machine near welder sparking
Refinery industry engineer are working and discussing at front oil and gas industrial factory,
Engineer take water from wastewater treatment pond to check the quality of the water. After going th
Engineer take water from wastewater treatment pond to check the quality of the water. After going th
Worker with safety equipment working at construction plant
Engineer wearing uniform ,helmet and glass stand hand holding tablet computer,radio communication in
Engineer take water from wastewater treatment pond to check the quality of the water. After going th
Aerial view oil tanker ship oil depot terminal storage petroleum petrochemical refinery product.
Engineer take water from wastewater treatment pond to check the quality of the water. After going th
Flowmeter regulator, durable floor heating and cooling manifold regulator.
Engineer survey team checking construction project inspection work construction site
Engineer survey team checking construction project inspection work construction site
Professional engineer working in a petroleum refinery, Oil refinery and gas processing plant.
Engineer survey team checking construction project inspection work construction site
Maintenance engineer and manager in factory use tablet pc checking spring coil specification
Maintenance engineer and manager in factory check part available repair machine near welder sparking
Valves at gas plant
